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Wireshark – 

Wireshark is a free and open source packet Sniffer. It is used to troubleshoot networks, Analyse protocols and packets communicating in the network.

Originally It was named Ethereal and was renamed to Wireshark after some trademark issues.

Functionality – 

Wireshark Works in promiscuous mode, so they can screen all traffic visible on that adapter, not just traffic addressed to one of the adapter’s configured addresses and broadcast/multicast traffic. So when capturing with a packet analyser in promiscuous mode on a network, not all traffic through the switch is necessarily sent to the port where the capture is done, so capturing in promiscuous mode is not necessarily enough to see all network traffic. Port mirroring extends capture to any point on the network.

1. Select Network Adapter. If user is connected with lane, Connect to Ethernet, if user is connected with wireless (Wi-Fi), select Wi-Fi option below.     


2. When user select network adapter, user will get this screen below

In above Screenshot you can see different type of columns like source is address, destination is   address, protocol used, length, Info about Packet.

Features of Wireshark   –

  • Data can be captured in a live network.
  • Live data can be read from different types of networks.
  • Captured network data can be browsed via a GUI or command line.
  • Data display can be refined using a display filter

How Wireshark Captures Packets in a network –                                                                        


Steps 1 – Open Wireshark GUI, select adapter, eg:-select Ethernet.

Step 2 – Type inurl: adminlogin to find adminpanel of an http website.

Step 3 – Click on a link and open adminpanel of a website –

Step 4 – Enter username and password in adminpanel  . e.g. – Suppose admin username – admin and admin password – admin@12345

Put these credentials and hit Enter.

Step 5 – These username and password will be stored in wireshark . So navigate to Wiresahrk and lets find these username and password there .

In Wire shark, type “http” in filter area, results will filter according to it. you can see below –

Step 6 – Click on the packet which contains POST data. As you can see in the first packet, you can see POST in info part. So Click on that packet.


Step 7 – As you can see here click on HTML from URL Encoded tab and you can see username and password below – (admin, admin@12345)



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